According the the McCarran International Airport Customer Service, it means the plane is ready for departure, door closed, but still sitting at the gate. If the status remains "Closed" for too long, it is chaged to delayed.
The status of open for an airline flight may mean they have open seating available. This is a way for passengers to see what kind of space is available.
It appears to mean that the flight is cleared to start boarding passengers.
It means you missed your flight.
'Boarding' means that people are being allowed on the plane at this time. If your flight has the status 'boarding', you should go to the gate and board (hence the name) the plane.
after you buy the ticket you will receive a email confirmation that mean you are in the system but if you want to call the airline in the email you will get a code that is like this:AN32v something like this call the airline and they will ask the this code and they may be open your info also with this number you can find it at the airline website .
"Recovery" on flight status means that a flight that was previously delayed or canceled has been rescheduled or reinstated to its original departure time.
airline and flight number
"In range" on flight status means that the aircraft is within the designated distance from its destination airport and is expected to land soon.
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"Flight departed" means that the airplane has taken off and left the airport to begin its journey to the destination.
"No change fees" for airline tickets means that passengers can make changes to their flight itinerary, such as changing the date or time of their flight, without having to pay an additional fee. This policy allows for more flexibility and convenience for travelers.
GMT stands for Greenwich Mean Time, thus in airline industry every flight is reported after the GMT Time or World Time. That's just my opinion :).